US Bridges

Mcclellan Road over Local Drainage

Fair

Larimer County, Colorado · Just North of CR 60 · Structure no. WELIN-MCCELLAN

Built
2007
18 years old
Condition
Fair
inspected March 2025
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
1,504
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcclellan Road over Local Drainage is a concrete culvert carrying Mcclellan Road over Local Drainage in Larimer County, Colorado. It was built in 2007, so it is 18 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,504 vehicles a day, roughly 7% of them trucks, projected to reach 1,880 by 2043. The structure is 31 ft (9.3 m) long and 121 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMcclellan Road
CrossesLocal Drainage
LocationJust North of CR 60
RouteCity Street 0
Coordinates40.68286, -104.99555
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.3 m)
Longest span14 ft (4.3 m)
Deck width121 ft (36.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,504 (2023)
Projected traffic1,880 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcclellan Road over Local Drainage built?

It was built in 2007, making it 18 years old in 2025.

What condition is Mcclellan Road over Local Drainage in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2025.

How much traffic does Mcclellan Road over Local Drainage carry?

About 1,504 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Mcclellan Road over Local Drainage?

The structure is 31 ft (9.3 m) long with a longest span of 14 ft (4.3 m) and a deck 121 ft wide.

Who owns Mcclellan Road over Local Drainage?

It is owned by the City or Municipal Highway Agency.